Registration for Boulderthon 2023 is now open! After nearly tripling in size and selling out last year, Boulderthon has instituted a new 5,000 runner cap and is expected to sell out again this year. Register today.
aerial view of Universtiy of Colorado stadium

PARTNER

PROUD TO PARTNER WITH OUR SPONSORS
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Avanti F&B Boulder logo
Lift Vodka logo
KCNC-TV logo
Whole Sol Blend Bar logo
Outside+ logo
Celsius logo
Ultima logo

Boulderthon®, the Signature Boulder Marathon & Half Marathon, is seeking strategic brand partners.

If interested, please contact us by submitting the form for more information.

Title Sponsorship for Boulderthon® represents the premier level of partnership for the race series. As the Title Sponsor, your organization benefits by becoming the namesake of the Boulderthon® race series, which is included in every corporate, marketing and news outlet communication.

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PARTNER FORM